Casio Cassiopeia (1997) | This a handheld computer from anci… | Flickr
Casio - FX-9000p - - Casio FX9000p - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
Casio PB80 personal computer / calculator, c 1987 | Science Museum Group Collection